Physics GCSE
comparing at fixed pd
What comparing at fixed pd means in Physics GCSE, as defined for AQA.
Definition of comparing at fixed pd
Check what you remember
Read the wording for your board, then hide it and explain comparing at fixed pd in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Two such components are compared at a chosen potential difference, since comparing them at different potential differences makes the comparison meaningless.
Topics that use comparing at fixed pd
- Resistors (AQA GCSE)
Related terms
- constant resistance
- constant temperature
- decreasing gradient
- diode
- diodes
- direct proportionality
- filament lamp
- fixed resistors
Using comparing at fixed pd in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge